{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["part of", "hyponym of", "compare"], "input": "Even though our features are somewhat more expensive to compute than SURF due to the construction of the nonlinear scale space , but comparable to SIFT , our results reveal a step forward in performance both in detection and description against previous state-of-the-art methods ."}
{"part of": [], "hyponym of": [], "compare": [{"subject": "features", "object": "SURF"}, {"subject": "features", "object": "SIFT"}, {"subject": "results", "object": "state-of-the-art methods"}]}